The advantages and disadvantages of lithium -ion battery Unique: No memory effect, the total weight is relatively light. Disadvantages: The cost is relatively high, and the working current is small. Lithium ion batteries have disposable lithium-ion batteries (not battery charging) and the second power lithium-ion battery (rechargeable battery). Lithium ion battery. Under normal circumstances, the digital camera uses the second power lithium -ion battery (recharging battery). Compared with nickel -metal